Home / 17,119.04-23,625.84-13,538.80

Finding the Fourth Proportional to 17,119.04, 23,625.84 and 13,538.80

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Solution

The fourth proportional to 17,119.04, 23,625.84 and 13,538.80 is: 18,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.04 : 23,625.84 = 13,538.80 : x
  2. Step 2: Convert to fraction form
    17,119.04/23,625.84 = 13,538.80/x
  3. Step 3: Cross multiply
    17,119.04x = 23,625.84 × 13,538.80
  4. Step 4: Simplify right side
    17,119.04x = 319,865,522.59
  5. Step 5: Solve for x
    x = 319,865,522.59/17,119.04
  6. Step 6: Final answer
    x = 18,684.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.